Stamping press



Oct. 9, 1928.

A. BYERLEIN STAMPING PRESS Filed July 20, 1925 .2 Sheets-Sheet. I

Patented oa. 9,1928.

1,686,844 nsrran STATES ,PATEYNTOFFEE...

ARTHUR A. BYE-KLEIN, OF DETROIT, MICHIGAN.

STAMPING rnnss: v 1 Application filed July 20, 1925. Serial No. 44,793.

The present invention relates to apparatus power, may be provided for driving the main for working metal and more vparticularly to drive shaft 33, the driving connection being apparatus of the type known as a press. illustrated at 37 and'38. The driving shaft One of the principal objects of the present 33 carries a flywheel or momentum member A invention is to provide an improved form of as shown at 39.

driving and control meansfor a press. "In the operation'of the press,'the motor 36 Another object is toprovide a driving is adapted to maintain the main driving shaft means in which the main drive pinion is 33 in continuous rotation. As the plunger mounted separately from the main driving is intended to be operated only intermittently, 10 shaft. e 7 the clutch 35isprovided to control'the con- A further object is to provide a driving nection between the continuously moving means having co-axial main driving and driving shaft 33 and the shaft 34: of the main pinion shafts with interconnecting clutch drive pinion 32 which transmits the power for means, the main operating members of the actuating the plunger, through gear 31, shaft 5 clutch being unitary with the main driving 28, pinion 29, to gears 30 on crank shaft 26, shaft and removable as a unit therewith from and from the latter through connecting rods the press. 27 to the plunger 25. When the plunger 25 Further objects and advantages of the inis not being operated, the ma1n drive pinion vention will be apparent from the following 32, its shaft 3 f andclutch parts carried there- 20 description taken in connection with the acy, l r ng Connections be ween the coinpanying drawi i whi h; drive pinion 32 and the plunger 25 are'atrest. Fi 1 i an l vati f a press e bodying The shaft 34 to which the main drive pinth pr t. i ti and I ion 32 is keyed, whiclrshaft'is hereinafter Fi 2 i ti l l gitudinal section sometimes referred to as the" driven shaft, so 25 through the main driving shaft and the main s journaled' in the bearings 50' and 51 which drive pinion showing details of construction are preferably formed ina single casting or of the present invention, parts being illustrat bracket 57 which bracketv may be rigidly seed in elevation; cured to one side frame member 22. The inner I The present invention, while capable of end of the driven shaft 34'is provided with a s5 10 numerous embodiments, is illustrated in a disc-like enlargement 52 which is preferably press 20, having a press frame consisting of a integral with-the driven shaft 3a and which bed portion 21, upright sideframe members constitutes one of the end walls of the clutch 22and 23, and an arch member 2a. The side housing. The inner end of the-driven shaft frame members 22 and 23 are provided with 34 is recessed at 53 to provide a bearing for 35 slide portions 2d receiving therebetw en the the inner end'of the driving shaft 33, the outplunger 25 which is adapted to be reciproer End Of the driving Shaft 33 being jourgated 1- slicl in the slide members 24, 1 naled in a bracket 5 i which may be mounted The means for actuating or driving the uponthe other side frame member 23, plunger 25 comprises a crank shaft 26 ourbQSt shown 1 F g-2, but WhlCh d I 'b 40 naled in the press frame, the crank shaft beconstructed; separately from the bracket 57, ing connected with the plunger by means of it being desirable in some instances, as in the the connecting rods 2?, portions of which case of a narrow press, to form these brackets are broken away for clearness in illustration. as a single part which may be supported from v The crank shaft 26 is driven from the driving one or both side frame members. The fly shaft 28 through the pinions 29 and gears 30 wheel 39 and gear wheel 38 are non-rotatably iceyednpon the outer ends of the driving shaft secured to thedriving shaft 33 intermediate 1 '28 and the crank shaft 26 respectively. The the bearings thereof. Thebearings 53 and driving shaft 28 carries gear wheel 31 54 are provided with anti-friction rollerwhich meshes with the main drive pinion 32 bearing members 55 and 56 which are prefer- 50 from which it is driven. The main driving ably of the type known as self aligning, that shaft 33 is disposed in axial extension of the is, they are so constructedas to permit a true main'drive pinion shaft 34L and may be operaanti-friction rolling action irrespective of a tively connected therewith through'the meslight'non-parallelism of the parts carrying dium of the clutch 35 which is carried by the the roller-bearing members; p r shafts 33 and 34. A motor 36 mounted upon As already stated, the drive shaft 33 and V the side frame member 23, or other source of driven shaft 34 may be operatively connects control mechanism.

together through the medium ofclutch 35. Said clutch comprises a clutch housing, con sisting of a drum portion 60, an end wall 52 which, as already stated, isa disc-like enlargement on the driven shaft 34-, and a second end wall 61 which is provided with a sleeve portion 62' surrounding the driving shaft 33 and serving as a guide andtravel limiting stop. for a collar 68. Within the clutch housing are disposed suitable friction members which may consist of a plurality of outer friction discs 63 non-rotatably mounted in the housing by means of pins 64, and inner friction-discs65, keyed at 66 against rotation upon the driving shaft 33. As is well understood, clutches of the type disclosed may be caused to connect to power shafts or parts to which they are secured by compressing the friction-discs so that the hub andthe housing portions of the clutch move in unison. Likewise the clutch is disengaged by releasing the pressure upon the discs so to permit relative rotational movement of one set of discs relative to the other. This control of the clutch is secured in the present instance through the medium of a suitable toggle linkage 67 which is mounted upon the end wall 61 of the housing and which includes a collar 68 mounted to slide longitudinally upon the sleeve 62. The clutchtoggle or control 6?" may be actuated by clutch actuating lever 69 one end of which is adapted to cooperate with the collar 68 to move the same longitudinally upon the sleeve 62 thereby effecting clutching and unclutching of the clutch 35. The clutch actuating lever 69 is connectedthrough link 70 with the control rod or member 71 by which the operator may actuate the clutch A friction-brake T5 is mountedto cooperate with that portion of the drum 6O which is adjacent'the disc or end wall 52 of the clutch housing, and this brake is also preferably connected with the'control member 71 through suitable linkage where by when the clutch is disconnected the brake applied so as to bring the parts to rest quickly.

' Referring to Fig. 2 it will be noted that the clutch housing is separable at the end wall 52. By removing the fastening means 7 6 up on the pin or bolt6 l, the drum portion of the housing and the opposite end wall 61 which carry the friction-discs and the control mechanism are no longer rigidly secured to the end wall 52 but may be separated therefrom as a unit by withdrawing them to the right in a direction parallel with the axis of the pinsor bolts 64-. As a consequence of this construction it is possible merely by disconnecting the clutch control mechanism from the control lever 69, and by dismounting a portion of the bearing 54, to remove the driving shaft. 33 from the press with the gear -w-heel 38, the flywheel V v 89 and the portions of the clutch housing to the right of the disc 52 parts of the drive shaft mounted thereon, gear wheels 38, fly wheel 39 and clutch housing constituting a unit with the driving shaft. In this connection it will be observed that the which are mounted in the clutch housing, the inner friction-discs which are mounted on the driving shaft, and the clutch operatin mechanism mounted on the end wall 61 and sleeve 62 are also removed as a unit with the driving shaft 83. The removal of the with the parts mounted thereon does not in any Way affect the mounting of the driven shaft 34- and the end wall or disc 52,nor does it affect the friction-brake 75 which remains in assembled position upon the circumference of theend wall v r The lubricant for the bearing 58 may be supplied through the conduit or passage 77 which extends longitudinally through the driven shaft 84;, a suitable coupling 78 being provided at its outer end for connecting with a source of supply.

outer friction-discs Cit From the foregoing it will be apparent proved form of press actuating and control mechanism. Heretofore it has been the practice to journal the main driving shaft at both ends to the pressframe and to mount'the drive pinion thereon, a construction which has been attended with some difficulty inthe lu rication of the drive pinion, owing to the fact that the main drivingshaft is in continuous rotation and the drive pinion is not readily adapted to receive grease cups or other form of lubricating means. The present construction obviates this difiiculty in re moving the drive pinion from the main dri ing shaft and mounting the same in its own 'beari 's whichare secured to the press frame and which may be readily lubricated. This construction has the further advantage in that it removes from the main driving shaft the weight of the drive pinion and the friction thereof, thereby effecting a saving in the power required to-niaintain the main driving shaft 33 in continuous rotation. r V

The construction herein disclosed wherein one end of the main driving shaft 83 may be supported from the inner end of the driven shaft 34- is one which permits the use of heavy duty anti-friction bearings thus effectinga further saving in power as with prior constructions in which, owing to the lin'ii'tations in dimensions of the, main drive pinion and the main driving shaft upon which it was mounted,it was impracticable to employ anti-friction bearings, or even bearings of other types having a really sat1sfactory factor of safety.

be noted that the wei ht of the clutch hous b ing and of the outer friction discs and of the Further, it is to compared time, rather than by the main driving shaft which is in continuous rotation. A further saving in power is thus effected.

In addition the driven shaft 34, and the clutch and other parts carried thereby, tends to come to rest almost immediately upon being disconnected from the driving shaft 33. That is, as the mechanism isoperated to disconnect the clutch discs from each other, and at the same tighten the brake band '75, the shaft 34: and the parts operated in unison with it tend to come to rest almost simultaneously with the operation'of the. brakes. As a result there is substantially no heating or wearing of the bearings due to the pull of the brake band during the time during which the plunger 25 remains at rest between op erating strokes.

The arrangement by which the main portion of the clutch housing together with the friction discs and actuating mechanism may be removed as a unit with the driving shalt 33 is one that has many advantages, since it permits the clutch and to be readilylifted from the press and lowered to the floor for inspection or repair. In this connection it is to be noted that'since the brake band cooperates primarily with that portion of the clutch housing which constitutes the disc or end wall 52, rigid with the driven shaft 34, the removal housing and the main driving shaft 33 does not necessitate the disassembly of the brake mechanism nor necessitate any readjustment of the same after the clutch housing-and the main driving shaft are returned to their position in the press.

A further. advantage of the present invention is to be found in the improved means for lubricating the bearing 53 between the main driving shaft 33 and the driven shaft 3st. Adequate lubrication may be maintained for bearing 53 by greasing'through conduit 77 only at infrequent intervals, say four or five times a year, as compared with the necessity of continually pumping oil to the bearings of prior constructions. 7

While the form of apparatus herein de-' scribed constitutes a preferred embodiment of the invention, it is to be understood that the invention is not limited to this precise form of apparatus, and that changes may be made therein without departing from the scope of the invention which is defined in the appended claims. 7

What is claimed is 1. In a press, comprising a press frame having a pair of sides for guiding a plunger, and a plunger mounted in said frame; means for actuating said plunger, said means comprising a power shaft journaled for rotation at one side of the press frame, said power shaft having a bearing at its inner end, a bearing carried at the other side of the press frame, a second power shaft in extension of main driving shaft of the clutch hearing at one end upon the first mentioned power shaft journaled for rotation in the bearing atthe inner end of first-mentioned power shaft and in the bearing carried at said other side of the press frame, and a clutch carried by said power shafts adapted to connectsaid power shafts.

'2. In a press, .comprising a press for actuating said plunger, said means comprising a rotary driven member, a .rotary driving member in. axial extension of said driven mcmbenmeans for supporting one of said membersfrom the press frame, means for supporting the other member at one end from the press frame and at the other end from said first mentioned member, and. clutch means for connecting said driving and said driven members. 7 r v V 3. Ina press, comprising a press frame, and a plunger mounted in said frame; means for actuating saidplunger, said meanscomprising a driven member journaled for rotati'on upon said press frame, a drive pinion fixed to said .driven member, a driving member separately journaled for rotation upon said press frame, and upon said drivenmember, a clutch adapted to connect said driving and driven members and a band brake co frame, and a plunger mounted in said frame; means operating with the driven part of the clutch.

ings, a driving shaft in axial extension of said driven shaft, said driving shaft having the end of the driven shaft, and clutch means-carried by said shafts adapted to connect'the same. I

5. In a press, comprising a and a plunger mounted in for actuating. said plunger, prising a driven shaft journaled for rotation at one side of the press frame, a driving shaft journaled for rotation at theother side of the press frame and upon one end of the driven member, a; clutch housing having a drum portion and end walls associated with said shafts and friction discs within said housing, said press frame,

said means comclutch housing beingso constructed and arranged that the drum portion, one end'wall and the friction d'iscs may be removed as a unit with said driving shafti 6. In a press, comprising a press frame, and a plunger mounted in said frame; means for actuating said plunger, said means com prising a driven shaft journaled for rotation at one side of the-press frame, a driving shaft journaled for rotation at theother side of the press frame and upon one end of the driven member, a clutch housing having a drum' portion' and end walls associated with said shafts, friction discs mountedwithin the housing, and friction disc operating mechdriven shaft, a drive pinion secured to said'driven shaft intermediate said bearsaidframe; means ace ' anism maybe removed for actuating said plunger anism carried'adjacent one end wall of the housing, said housing being so constructed and arranged that the drum portion, one end wall, the friction discs, and operating mechas a-unit with said driving shaft.

, 7. Ina press, comprising a press frame, and a plunger mounted in said frame; means for actuating said plunger, said means comprising a driven shaft journaled for rotation at one side of the press frame, a driving shaft journaled for rotation a-tthe other side of said press frame and upon one end of the driven member, a clutch associated with said shafts and comprising friction-discs and operating mechanism therefor, and a fly Wheel carried by the driving member, said fly wheel and said friction discs and operating mechanism being unitary with the driving shaft and removable and a unit there-with.

8.-In a press, comprising a press frame, and a plunger mounted in said frame; means for actuating said plunger, said means comprising a power shaft journaled for rotation at one side of'the press frame, a second power shaft in axial extension of the first mentioned power shaft, a bearing carried at the other side of the press frame for said second power shaft, a recess formed in the inner end of the first mentioned power shaft to provide abearing for the second mentioned power shaft, clutch means associated with said power shafts for connecting the'same, and means carried by one of said power shafts for introducing a lubricant into said bearing recess.

9. Ina press, comprising a press frame, and a plunger mounted in said frame; means for actuating said plunger, said means comprising a power shaft journaled for rotation one side of the JYQSS frame, a second power shaft in axial extension of the first mentioned power shaft, a bearing carried at the other side of the press frame, for said second power shaft, a recess formed in the inner end of the firstmentioned power shaft to provide a hearing for the second mentioned power shaft, clutch means associated with said power shafts for connecting the same, said first mentioned power shaft having an aperture extending longitudinally therethrough for introducing a lubricant to said bearing recess.

10, In a press, comprising a press frame, and a plunger mounted in said frame; means prising first and second power shafts in axial extension of one another, bearings for supporting each of said power shafts from the press frame, bearing means carried by. said shafts at their adjacent ends for supporting the end of the second power shaft from the first power shaft, clutch means associated with said )ower shafts for connectin the same, and means for introducing a lubricant to said bearing means,

, said means com-,

11. In a press, comprising a press frame, and a'plunger mounted in said frame; means for actuating said plunger, said means comprising a main driving shaft journaled in one side of said frame, a main drive pinion journaled for rotation in the other side of said frame beyond theend of the main driving siaft, and clutch means for connecting said driving shaft and said drive pinion.

12. In press, 7 having a. pair of sides for guiding a plunger, and a plungerinounted in said frame; me ans for actuating said plunger, said means comprising a main driving shaft journaled in one of said sides, a main drive pinion not supported upon said main drive shaftbut adapted to be connected in driving. connection therewith, and clutch means for connecting said main driving shaft andsaid main drive pinion.

13. In a press, comprising apress frame, and a plunger'mounted in said frame; means for actuating said plunger,-said means ineluding a continuously rotatingmain driving shaft, a drive pinion adapted to be, driven from said main driving shaft, a clutch for connecting said driving shaft and said drive pinion said clutch including a separable clutch housing a' portion of which is, rigidly connected with said main drive pinion, and brake means cooperating with that portion of the clutch housing rigidly connected with the main drive pinion.

14. scribed comprising a drive shaft, drive means therefor, bearing means for saiddrive shaft, a second shaft in alignment therewith,,bear ing means for said second shaft, a drive pinion on said second shaft, and a bearing between t-he adjacent ends of said shafts for supporting one of said shafts on the other, driven clutch means onsaid second shaft, driving clutch means on said drive shaft, and brake means engageable with said driven clutch means, said drive shaft being removable from its bearing means without disturb ing said second shaft in its bearing and withcomprising a press frame Press driving means of the class -deout disturbing said brake means.

15. Press driving means of the class de. scribed comprising a press fra-1ne,'a drive shaft, a fly-wheeland driving gear on said drive shaft, bearing means at one side of said press frame for said drive shaft, a second shaftin continuation of said drive shaft, a

drive pinion thereon, bearingmeans at the other side of said press frame forsaid second shaft adjacent said drive pinion, and a bearin between the adjacentends of said shafts for supporting one of said shafts on the other, driven clutch means on said second shaft, driving clutch means on said drive shaft, said clutch means being provided. with in the confines of the frame, and brake means engageable with said driven clutch means, said drive shaft being removable from its bearing means Withoutdisturbing said second shaft and said brake means.

16. Press driving means of the class described 'comprisinga: press frame, av drive shaft, a fly-Wheel and a drivinggear on said drive shaft, bearing means atone side o said press frame for said drive shaft, a second shaft in continuation of sait drive shaft, said shafts extending from one side of said press frame to the. other, drive pinion on said second shaft, a pair of bearings for said second shaft one on each side of said drive pinion and both supported on the side. of the frame opposite said mentioned bearing means, and a hearing hetween the adjacent ends of said shafts for supporting one of shafts on the other, driven clutch means 7 on said second shaft, driving clutch means on said drive shaft, said clutch means being provided Within the confines of the frame, brake means engageable with said driven clutch means, said drive shaft being removable from its hearing means Withoutdisturbing said second shaft and said brake means,

17. A press comprising a press frame having a pair of sides guiding a plunger, means for actuating said plunger comprising a drive shaft, a driving gear on said shaft, a

second shaft in continuation of said drive shaft, said drive shaft andsaid second shaft extending substantially across the pressfraine from one of its said sides to the other, loear-' ings suoportedrby the press sides, one for each of said shafts, a loearingfloetween the one of said shafts on and said drive adjacent ends of said shaftsfor supporting second shaft, driving clutch drive shaft, and a band brake engageable with said driven clutch'means, said drive shaftbeing removable from its hearing in the press frame Without necessitating the removal of said second, shaft, and Without disturbing said band brake.

18. A press comprising a press frame having a pair of sides guiding a plunger, means means on said means on said the other, driven clutch portion rigid with said second shaft and a second portion detachably. connected to said one portion andin which the drive shaft may rotate, and a. hand brake engageable with said one portion, said drive shaft being removable from the press frame Without necessitating the removal of said'second shaft.

In testimony whereof I hereto aifix mysig: 7 nature.

ARTHUR A. BYERL I N. 

